California Department of Water Resources

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Oroville Dam made spillway lifecycle inspection and emergency-warning decisions a dam-safety accountability test
authorized human evidence

Last updated: 2026-08-27

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Oroville Dam made spillway lifecycle inspection and emergency-warning decisions a dam-safety accountability test
The 2017 Oroville spillway incident shows why dam safety must connect design history, condition evidence, failure-mode analysis, reservoir operations and public warning across the full asset lifecycle rather than rely on periodic inspections and emergency improvisation.
Primary articlePublished 2026-07-19
Oroville Dam made spillway inspection and emergency drawdown an ageing-infrastructure accountability test
The 2017 Oroville spillway incident shows why an ageing dam-safety system must reconstruct original design assumptions, inspect hidden failure mechanisms, prepare genuinely usable emergency works and make reservoir decisions against explicit uncertainty rather than institutional confidence.
Primary articlePublished 2026-07-18